LAKHDAR, Rinouba; MOHAMMED, Cheknane. Evaluating service quality of the mobile operator Mobilis using the SERVPERF Model: A study on a sample of Mobilis customers at the Laghouat Agency. The International tax journal, [S. l.], v. 52, n. 3, p. 300–310, 2025. Disponível em: https://internationaltaxjournal.online/index.php/itj/article/view/62. Acesso em: 1 oct. 2025.